The superior anti-vibration performance of the DIN EN 1663 lock nut: when the thread is tightened, the crest thread of the bolt tightly enters the 30° wedge-shaped slope of the nut and is clamped, and the normal force exerted on the wedge-shaped slope is the same as the bolt's normal force. The axis forms an included angle of 60° instead of 30°. Therefore, the normal force generated when the DIN lock nut
is tightened is much larger than that of the ordinary standard nut. Moreover, the DIN EN 1663prevailing lock nut also has a great anti-loose and anti-vibration ability.
DIN EN 1663 Lock Nuts Specifications
DIN EN 1663 Lock Nuts
DIN EN 1663 - 1998 Prevailing Torque Type Hexagon Nuts With Flange And With Non-Metallic Insert
Equivalent norm： GB/T 6183.1, ISO 7043, EN 1663
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DIN 1663 Nut Bolt Lock Dimensions
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